Quick definitions from WordNet (crawfish)▸ noun:small freshwater decapod crustacean that resembles a lobster▸ noun:tiny lobster-like crustaceans usually boiled briefly▸ noun:large edible marine crustacean having a spiny carapace but lacking the large pincers of true lobsters▸ verb:make a retreat from an earlier commitment or activity ("We'll have to crawfish out from meeting with him")
▸ Also see crawfish